ALWA Aluminium-Block (resin-based)
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ALWA ALUMINIUM BLOCK for the thermoforming process
ALWA ALUMINIUM BLOCK (resin-based) is made for the thermoforming process (e.g., polystyrene, polycarbonate, acryl, etc.).
ALWA ALUMINIUM-BLOCK (resin-based) is characterized by the following advantages:
- Good mechanical finishing
- High temperature resistance
Moulds made of ALWA ALUMINIUM-BLOCK are resistant to temperatures of up to 135 °C, short term exposure of up to 180 °C is possible, taking into account the lower compressive strength of the mould due to the temperature.
Technical data:
Characteristic | Norm | Unit | Value |
---|---|---|---|
Temperature resistance | DIN 53462 / ISO 75 B | °C | 135 |
Hardness | Shore D | ~±D86 | |
Compressive strength at RT 20 °C / 100 °C | KN/cm² | 8 – 9 / 7 – 8 | |
Impact strength | DIN 53453 | J/n (KJ/m²) | 3400 (3.5) |
Specific density | kg/l | 1.7 | |
Thermal conductivity | DIN 1341 | W/mk (Kcal/hm°C) | ~1 (~0.86) |
Vicat softening temperature | DIN 1341 | °C | 180 |
Thermal expansion coefficient | DIN 1341 | °C | 10-6/45 |